#define _CRT_SECURE_NO_WARNINGS 1
#include <stdio.h>
int main()
{
	int x,y;
	printf("x=");
	scanf("%d", &x);
	if (x > 0)
		printf("y=1\n");
	else if (0 == x)
		printf("y=0\n");
	else 
		printf("y=-1\n");
	return 0;
}